Automatic Transmission System (For 1Gr-Fe) How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE

  4. CONNECT GTS TO DLC3*

  5. CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

  6. VISUAL INSPECTION

  7. SELECT CHECK MODE DIAGNOSIS*

  8. PROBLEM SYMPTOM CONFIRMATION

  9. SYMPTOM SIMULATION

  10. DTC CHECK*

  11. BASIC INSPECTION

  12. MECHANICAL SYSTEM TESTS

  13. HYDRAULIC TEST

  14. MANUAL SHIFTING TEST

  15. PROBLEM SYMPTOMS TABLE CHAPTER 1

  16. PROBLEM SYMPTOMS TABLE CHAPTER 2

  17. COMPONENT INSPECTION

  18. DTC CHART

  19. CIRCUIT INSPECTION

  20. IDENTIFICATION OF PROBLEM

  21. REPAIR OR REPLACE

  22. CONFIRMATION TEST

Automatic Transmission System (For 1Gr-Fe) -- How To Proceed With Troubleshooting


HINT:
  1. The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication system.
  2. *: Use the GTS.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

    1. Refer to the How to Troubleshoot ECU Controlled Systems in Introduction section (LandCruiser RM000003YMJ00XX.html).


    NEXT


    3.INSPECT BATTERY VOLTAGE
      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding.

    NEXT


    4.CONNECT GTS TO DLC3*

      NEXT


      5.CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

      1. Refer to DTC Check/Clear (LandCruiser RM000000W7711JX.html).


      NEXT


      6.VISUAL INSPECTION

        NEXT


        7.SELECT CHECK MODE DIAGNOSIS*

        1. Refer to Check Mode Procedure (LandCruiser RM000000W780WDX.html).


        NEXT


        8.PROBLEM SYMPTOM CONFIRMATION

        1. Refer to Road Test (LandCruiser RM000000W790SFX.html).

          Result
          Result
          		Proceed to
          Symptom does not occur
          		A
          Symptom occurs
          		B



        		B.
        GO TO STEP 10
        A


        9.SYMPTOM SIMULATION

        1. Refer to Symptom Simulation (LandCruiser RM000003YMI00MX.html).


        NEXT


        10.DTC CHECK*

        1. Refer to DTC Check/Clear (LandCruiser RM000000W7711JX.html).

          Result
          Result
          		Proceed to
          DTC is not output
          		A
          DTC is output
          		B



        		B.
        GO TO STEP 18
        A


        11.BASIC INSPECTION

        1. Refer to Park/Neutral Position Switch Assembly (LandCruiser RM000000OD501IX.html).

        2. Refer to Shift Lever Assembly (LandCruiser RM000002M9A088X.html).



        		NG.
        GO TO STEP 21
        OK


        12.MECHANICAL SYSTEM TESTS

        1. Refer to Mechanical System Tests (LandCruiser RM000000W7A0UVX.html).



        		NG.
        GO TO STEP 17
        OK


        13.HYDRAULIC TEST

        1. Refer to Hydraulic Test (LandCruiser RM000000W7B0TKX.html).



        		NG.
        GO TO STEP 17
        OK


        14.MANUAL SHIFTING TEST

        1. Refer to Manual Shifting Test (LandCruiser RM000000W7C0ZIX.html).



        		NG.
        GO TO STEP 16
        OK


        15.PROBLEM SYMPTOMS TABLE CHAPTER 1

        1. Refer to Problem Symptoms Table (LandCruiser RM000000W7313FX.html).



        		NG.
        GO TO STEP 19
        OK


        16.PROBLEM SYMPTOMS TABLE CHAPTER 2

        1. Refer to Problem Symptoms Table (LandCruiser RM000000W7313FX.html).


        NEXT


        17.COMPONENT INSPECTION


          		NEXT.
          GO TO STEP 21

          18.DTC CHART

          1. Refer to Diagnostic Trouble Code Chart (LandCruiser RM000000W710QCX.html).


          NEXT


          19.CIRCUIT INSPECTION

            NEXT


            20.IDENTIFICATION OF PROBLEM

              NEXT


              21.REPAIR OR REPLACE

                NEXT


                22.CONFIRMATION TEST

                  NEXT

                  END